Home / 286,769.04-395,739.08-159,443.52

Finding the Fourth Proportional to 286,769.04, 395,739.08 and 159,443.52

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Solution

The fourth proportional to 286,769.04, 395,739.08 and 159,443.52 is: 220,030.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,769.04 : 395,739.08 = 159,443.52 : x
  2. Step 2: Convert to fraction form
    286,769.04/395,739.08 = 159,443.52/x
  3. Step 3: Cross multiply
    286,769.04x = 395,739.08 × 159,443.52
  4. Step 4: Simplify right side
    286,769.04x = 63,098,031,916.76
  5. Step 5: Solve for x
    x = 63,098,031,916.76/286,769.04
  6. Step 6: Final answer
    x = 220,030.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.